From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 29 Jan 2009 22:25:12 +0000 (-0800)
Subject: gpiolib: fix request related issue
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7460db567bbca76bf087d1694d792a1a96bdaa26;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

gpiolib: fix request related issue

Fix request-already-requested handling in gpio_request().

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org>		[2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 35e7aea4222c..42fb2fd24c0c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -789,6 +789,7 @@ int gpio_request(unsigned gpio, const char *label)
 	} else {
 		status = -EBUSY;
 		module_put(chip->owner);
+		goto done;
 	}
 
 	if (chip->request) {